Precalculus Functions

Using the vertical line test. Is this a function?

• Yes

• No

Find the Relative Maximum and Minimum. Round to nearest tenth.

• A

• B

• C

• D

Using the vertical line test. Is this a function?

• Yes

• No

Which of the relations below is a function?

• <(2, 3), (3, 4), (5, 1), (5, 4)>

• {(-2, 3), (3, 4), (6, 2), (9, 3)}

• {(-2, 3), ( -3, 4), (6, 2), (-3, 3)}

Tags

CCSS.8.F.A.1

The figure shows the graph of a function f for 0 ≤ x ≤ 5. Which of the following statements is true about the function f? (16.)

• f is increasing at an increasing rate.

• f is increasing at a decreasing rate.

• f is decreasing at an increasing rate.

• f is decreasing at a decreasing rate.

Tags

CCSS.HSF.IF.B.4

• 8/5

• 
• 
• 

Tags

CCSS.HSF-BF.A.1C

Which of the following statements is true about the function f for 0 ≤ x ≤ 5?

• The function f is increasing and the graph of f is concave up.

• The function f is increasing and the graph of f is concave down.

• The function f is decreasing and the graph of f is concave up.

• The function f is decreasing and the graph of f is concave down.

Assuming the scale is 1, where is f(x) < 0?

• [-4, -1] U [2, +oo)

• (-4, -1) U (2, +oo)

• (-oo, -4] U [-1, 2]

• (-oo, -4) U (-1, 2)

• -20

• 20

• -24

• 24

Tags

CCSS.HSF.IF.A.2

What interval is f(x) < 0 ?

• (1, 3)

• (-∞, -2) U (-0.3, 2.2)

• (-2, 1)

• (-1, 1)